<template>
  <div class="login-wrap" id="login-container">
    <div class="ms-login">
      <div class="ms-title">在线投票系统</div>
      <el-form
        :model="param"
        :rules="rules"
        ref="login"
        label-width="0px"
        class="ms-content"
      >
        <el-form-item prop="username">
          <el-input v-model="param.username" placeholder="请输入用户">
            <template #prepend>
              <el-button :icon="User"></el-button>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            type="password"
            placeholder="请输入密码"
            v-model="param.password"
            @keyup.enter="submitForm(login)"
          >
            <template #prepend>
              <el-button :icon="Lock"></el-button>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="code">
          <el-row>
            <el-col :span="12">
              <el-input
                placeholder="验证码"
                v-model="param.code"
                @keyup.enter="submitForm(login)"
              >
              </el-input>
            </el-col>
            <el-col :span="12">
              <el-image
                :src="captchaData.captchaImg"
                class="captchaImg"
                @click="getCaptchaHandle"
                style="margin-left: 5px; border-radius: 3px;width:140px;height:30px"
                v-loading="captchaLoading"
              />
            </el-col>
          </el-row>
        </el-form-item>
        <div class="login-btn">
          <el-button
            type="primary"
            :loading="loading"
            @click="submitForm(login)"
            >登录</el-button
          >
        </div>
      </el-form>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, reactive, onMounted } from "vue";
import { useTagsStore } from "../store/tags";
import { usePermissStore } from "../store/permiss";
import { useRouter } from "vue-router";
import { ElMessage } from "element-plus";
import type { FormInstance, FormRules } from "element-plus";
import { Lock, User } from "@element-plus/icons-vue";
import { getCaptcha, loginHandler } from "@/api/login";
import { encryptHandler, decryptHandler } from "@/utils/jsencrypt";

interface LoginInfo {
  username: string;
  password: string;
  code: string;
  uuid: string;
}

const router = useRouter();
const param = reactive<LoginInfo>({
  username: "",
  password: "",
  code: "",
  uuid: "",
});
const captchaData:any = ref({});
const captchaLoading = ref(false);
const loading = ref(false);
const rules: FormRules = {
  username: [
    {
      required: true,
      message: "请输入用户名",
      trigger: "blur",
    },
  ],
  password: [{ required: true, message: "请输入密码", trigger: "blur" }],
  code: [{ required: true, message: "请输入验证码", trigger: "blur" }],
};
const permiss = usePermissStore();
const login = ref<FormInstance>();
const submitForm = (formEl: FormInstance | undefined) => {
  if (!formEl) return;
  formEl.validate(async (valid: boolean) => {
    if (valid) {
      loading.value = true;
      const loginData = await loginHandler(param);
      const result = loginData.data;
      if (result.code == 200) {
        const { token, menuList, currentUser, authorityStr } = result.data;
        ElMessage.success("登录成功");
        permiss.setToken(token);
        permiss.setMenuList(menuList);
        permiss.setCurrentUser(currentUser);
        permiss.setAuthorityStr(authorityStr);
        loading.value = false;
          router.push('/');
      } else {
        getCaptchaHandle();
        loading.value = false;
      }
    } else {
      getCaptchaHandle();
      return false;
    }
  });
};
const getCaptchaHandle = async () => {
  param.code = "";
  captchaLoading.value = true;
  const captchaRes = await getCaptcha();
  const result = captchaRes.data;
  if (result.code === 200) {
    captchaData.value = result.data;
    param.uuid = result.data.uuid;
    captchaLoading.value = false;
  } else {
    captchaLoading.value = false;
  }
};
getCaptchaHandle();
const tags = useTagsStore();
tags.clearTags();
</script>

<style scoped lang="less">
.login-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  background-image: url(../assets/img/login-bg.jpg);
  background-size: 100%;
}
.ms-title {
  width: 100%;
  line-height: 50px;
  text-align: center;
  font-size: 20px;
  color: #fff;
  border-bottom: 1px solid #ddd;
}
.ms-login {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 350px;
  margin: -190px 0 0 -175px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.3);
  overflow: hidden;
}
.ms-content {
  padding: 30px 30px;
}
.login-btn {
  text-align: center;
}
.login-btn button {
  width: 100%;
  height: 36px;
  margin-bottom: 10px;
}
.login-tips {
  font-size: 12px;
  line-height: 30px;
  color: #fff;
}

</style>
<style lang="less">
#login-container {
  .el-loading-spinner {
    top: 50%;
    margin-top: calc((0px - 30px) / 2);
    width: 100%;
    text-align: center;
    position: absolute;
  }
  .el-loading-spinner .circular {
    display: inline;
    height: 30px;
    width: 30px;
    animation: loading-rotate 2s linear infinite;
  }
}
</style>